212 results about "Wire tension" patented technology

The invention discloses a control system and method for a steel wire traction type overhead rail inspection robot with a sliding contact line, and relates to the technical field of modern industry and infrastructure construction.The system comprises a steel wire traction control module and traction devices connected with the two ends of a rail through steel wires, the traction devices are provided with servo motors, and the servo motors are used for driving traction wheels to rotate; the movement control of the inspection robot along the track is realized; the sliding contact line power supply control module comprises a sliding contact line laid along the track and a power taking device carried by the inspection robot, and the sliding contact line is matched with the power taking device and used for providing continuous and stable power supply control for the inspection robot; the steel wire traction control module is further integrated with a steel wire tension real-time monitoring control unit, and the steel wire tension real-time monitoring control unit is electrically connected with the servo motor and used for dynamically adjusting the output power of the servo motor according to the tension data of the steel wire, so that the tension of the steel wire is kept within the preset optimal range. According to the invention, intelligent control of the inspection robot can be realized.

The invention relates to the technical field of material mechanical property testing, and discloses a composite steel wire tension test method which comprises the following steps: executing a micro-unloading and reloading action at each increment end point of stepping loading, and synchronously calculating to obtain instantaneous system rigidity Ki, dissipated energy Wd and system rigidity change rate K based on force displacement data of the action, according to the method, through a set of built-in judgment rules, firstly, the K value is used for filtering measurement artifacts generated by slippage of the clamp, then the damage inflection point is identified according to irreversible decline of the Ki value, and the physical property of the damage is discriminated in combination with two-dimensional state data of Ki and Wd, so that the traditional one-way destructive test is changed into the traditional one-way destructive test. The method is converted into a staged failure analysis process capable of performing online diagnosis, and provides a direct physical observation window for distinguishing functional damage and structural damage of the material, so that the depth and credibility of information acquisition of the tension test are improved.

The invention relates to the technical field of power transmission line icing disaster monitoring, in particular to a power transmission line deicing jump tripping risk early warning method, system and device and a storage medium. The visual monitoring device captures the motion trail of the ground wire in real time and calculates the spatial distance, meanwhile, a three-dimensional power simulation model of the power transmission line is constructed to simulate and calculate the jumping process of the wire after deicing, and the distance data obtained through the two means are fused to form the minimum insulation distance; on the basis of wire tension changes and ice coating thickness abrupt changes collected by the ice coating monitoring terminal and wire displacement characteristics captured by the visual monitoring equipment, the occurrence of a deicing jump event is judged through multi-source data cross validation; and when it is judged that the ice-shedding jump event occurs, the discharge voltage is calculated according to the minimum insulation distance in combination with the standard discharge characteristic curve, the discharge voltage is compared with the line operation voltage to obtain a voltage margin, tripping risk grading evaluation is performed based on the voltage margin, and corresponding early warning information is output. The problem that a dynamic process cannot be captured by traditional static monitoring is solved.

The invention discloses a winding device with a tension adjusting function for transformer production, and relates to the technical field of transformer production, the winding device comprises a pay-off rack, a positioning seat and a power seat, the pay-off rack is provided with a plurality of fixed shafts, and the fixed shafts are arranged on the positioning seat; compared with an existing winding device for transformer production, dynamic adjustment of wire tension is achieved, winding precision is greatly improved, friction force can be adjusted in real time according to the wire pay-off speed through cooperation of the brake disc at the end of the fixed shaft on the pay-off frame and the brake, it is ensured that the tension degree of the wire is stable in the winding process, and the winding efficiency is improved. The winding machine is further provided with a positioning mechanism, the positioning mechanism has an eccentricity correction function, in the winding process, if the axis of the transformer framework deviates, fine adjustment force can be applied to the end of the transformer framework through a correction assembly, so that eccentricity is automatically compensated, and the winding accuracy is improved. And the axis of the transformer framework and the axis of the ejector rod coincide again.

The utility model relates to the technical field of diamond beaded wire saws, in particular to a diamond beaded wire saw rope tension automatic adjusting device which comprises an n-shaped mounting seat, first adjusting mechanisms are symmetrically arranged at the positions, close to the left side and the right side, of the top of the n-shaped mounting seat, each first adjusting mechanism comprises an air cylinder, and the end of a piston rod of each air cylinder is connected with an n-shaped moving frame. An auxiliary wheel is rotatably connected to the rear side surface of the inner wall of the n-shaped moving frame through a bearing, a mounting plate is fixedly welded to the end, away from the driving wheel, of the n-shaped moving frame, a graduated scale is fixedly connected to the top of the mounting plate through a bolt, and the top end of the graduated scale penetrates through the top of the n-shaped mounting base and is slidably connected with the n-shaped mounting base; and the first scale grooves are uniformly arranged at equal intervals. According to the automatic rope tensioning force adjusting device for the diamond beaded rope saw, by arranging the first adjusting mechanism and the second adjusting mechanism, the device can conveniently adjust the rope tensioning force of the diamond beaded rope.

The utility model belongs to the technical field of tension beam structures, and particularly relates to a three-way pre-tightening steel wire tension beam structure. A three-way pre-tightening steel wire tension beam structure comprises a cross beam, a steel wire and a pre-tightening assembly, the pre-tightening assembly is installed on the cross beam, a steel wire groove is formed in the cross beam, and the steel wire is installed in the steel wire groove through the pre-tightening assembly; the utility model provides a three-way pre-tightening steel wire tension beam structure, and aims to solve the problem of balance between the bearing capacity and the self weight of a cross beam in a tension beam structure in the prior art.

There may be provided a cable management system for an electric vehicle charger. The cable management system may include a mechanical wire coupled to a charging cable associated with the electric vehicle charger and an enclosure. The cable management system may include a wire tension sensor engaging the mechanical wire. The wire tension sensor may generate a sensor output based on a force applied to the mechanical wire. The wire retractor may be configured to retract the mechanical wire into the enclosure and extend the mechanical wire from the enclosure. The cable management system may include a controller coupled to the wire tension sensor. The controller may be configured with instructions which, when executed, cause the controller to control the wire retractor based on an amount of force applied to the mechanical wire.

This invention discloses a winding device for transformer production with tension adjustment function, relating to the field of transformer production technology. The winding device includes a wire feeding frame, a positioning seat, and a power seat. The wire feeding frame is equipped with several fixed shafts. Compared with current transformer production winding devices, this invention achieves dynamic adjustment of wire tension, significantly improving winding accuracy. Through the cooperation of the brake disc and brake at the end of the fixed shaft on the wire feeding frame, the friction force can be adjusted in real time according to the wire feeding speed, ensuring stable wire tension during winding and effectively avoiding problems such as loose coils, excessive tightness, or coil stacking. This invention also includes a positioning mechanism with an eccentricity correction function. During the winding process, if the transformer skeleton axis deviates, the correction component can apply a fine-tuning force to the end of the transformer skeleton to automatically compensate for the eccentricity, making the transformer skeleton axis coincide with the top rod axis again.

The utility model relates to the technical field of blooming rivet nuts, and discloses a waterproof wire tension tester with a protection structure, which comprises a processing table and a fixed seat, connecting seats are fixed on two sides of the front end and the rear end of the processing table, and the tail end of a first bolt is connected to the inside of a connecting hole. The connecting seats are fixed at the front end and the rear end of the machining table, the connecting seats can also be fixed at the two sides of the machining table, then the shielding protection plates are arranged at the front position and the rear position of the machining table, and the transparent glass plate is fixed in the middle of the shielding protection plates. A first bolt is adopted to pass through a mounting hole and a connecting hole to complete locking and fixing of the shielding protection plate and the connecting seat, so that the shielding protection plate can shield the front and back positions of the machining table and can shield the two side positions in the same way, and after the material is broken, the follow-up swinging phenomenon of the material can be shielded by the shielding protection plate; therefore, the overall protection capability is well improved in the working process.

The utility model discloses a high-strength steel wire stress corrosion test device which comprises a tensioning base, an anchoring base and a solution box, wherein the relative positions of the tensioning base and the anchoring base are fixed, and the solution box is arranged between the tensioning base and the anchoring base; the solution box is configured to contain a corrosion solution and penetrate through a plurality of high-strength steel wires soaked in the corrosion solution, the anchoring base is connected with one ends of the high-strength steel wires in an anchoring mode, and the other ends of the high-strength steel wires are fixedly connected to the tensioning steel plate. And the tensioning steel plate is screwed on the tensioning base through at least one high-strength bolt along the stretching direction of the high-strength steel wire in an elastic manner. The high-strength steel wire stress corrosion test device disclosed by the utility model can realize anchoring fixation, simple disassembly and assembly and steel wire tension data acquisition, and is simple and ingenious in structure and simple and feasible to operate.

The application discloses a steady-state unwinding device, process and application of high-rigidity high-frangibility high-torque wire, and belongs to the field of textile processing technology.The device realizes controlled rotation of the yarn cylinder and steady-state circumferential unwinding of the wire by clamping and positioning the upper and lower ends of the yarn cylinder and combining up-down, left-right and front-back adjustable structures and damping control, thereby effectively inhibiting the problems of knotting, small braids and tension fluctuation of high-rigidity high-frangibility high-torque wire caused by residual torque in the unwinding process.The steady-state unwinding process can output the wire in a uniform and continuous state, is suitable for textile processing of inorganic non-metallic high-torque fiber, high-modulus high-torque organic fiber and high-twist high-twist yarn, and can stably feed into processes such as plying, doubling, heat setting and weaving, thereby ensuring the consistency of wire tension and the stability of product performance in the subsequent processing process.

The utility model relates to the technical field of drawing reducing diameter device, especially to a kind of crude product welding wire welding wire drawing reducing diameter device, its improve the convenience of control adjustment to welding wire tension size, improve the flexibility of welding wire drawing force adjustment;Including base and recess, recess is set on the outside wall of base;Still include resistance device, conveying device, adjusting device, spool, fixed base, first tension wheel and second tension wheel, the both ends of spool are embedded in recess inside, resistance device is provided on base, resistance device is used to provide resistance for the rotation of spool, fixed base is set on the outside wall of base, a plurality of first tension wheels are rotatably installed on fixed base, a plurality of second tension wheels are rotatably set on fixed base by adjusting device moving up and down, conveying device is set on fixed base, and conveying device is used to draw and convey welding wire.

The invention relates to the technical field of installation and construction of power distribution facilities, in particular to an automatic wire pulling method and traction device for a high-voltage bushing of a transformer. The method comprises the following construction steps: S1, testing a field environment which comprises a weather condition and a ground installation condition; s2, mounting a traction device, including designing a traction device mounting position and power connection; s3, controlling traction installation, including starting lead traction and detecting a traction state; and S4, detecting the mounting effect, including a connection stability test and a connection tension test. By means of automatic traction, the friction damage risk in manual operation is reduced, potential safety hazards caused by lead damage are reduced, through real-time monitoring and control, wire tension and connection stability are ensured, the long-term reliability of the transformer is improved, real-time monitoring is conducted through a sensor and a detection device, efficient and safe traction operation is achieved, and the production efficiency is improved. Real-time feedback is provided for the installation process, and possible abnormal conditions are found and processed in time.

The invention provides a method for improving the production efficiency of a high-efficiency spring steel wire, and relates to the technical field of spring steel wire production.The method comprises the following steps that multi-source physical quantities in the spring steel wire winding process are collected in real time, and the multi-source physical quantities comprise steel wire tension distribution, the bending rod curvature radius, a roller temperature field and an equipment vibration frequency spectrum; based on the obtained multi-source physical quantity, a torque instruction, a rotating speed instruction and a bending radius compensation amount are generated through a dynamic collaborative mapping function; according to the generated instruction, a servo motor set is driven to adjust the wire feeding speed and the angular speed of a roller, and meanwhile a piezoelectric trimmer is controlled to correct the bending radius; and adopting a reinforcement learning strategy to optimize control parameters on line, and dynamically updating a mapping function according to winding quality feedback. According to the method, the problem that the remodeling debugging time is long can be effectively solved, the wire breakage rate can be remarkably reduced, and the size consistency can be effectively improved.

The application discloses a wire cutting machine tool wire guide device and belongs to the technical field of processing equipment. The wire cutting machine tool wire guide device comprises a main beam and a tension adjusting mechanism, a wire diameter detecting mechanism, a guide mechanism and a collecting mechanism. The main beam is provided with the tension adjusting mechanism for adjusting the wire tension in real time. One side of the main beam is provided with the wire diameter detecting mechanism for detecting the wire diameter in multiple directions. One side of the main beam is provided with the guide mechanism for guiding the wire. One side of the wire diameter detecting mechanism and the guide mechanism is provided with the collecting mechanism for collecting impurities on the wire. The guide mechanism comprises a guide wire feeding assembly and an anti-interference assembly. The main beam is provided with the guide wire feeding assembly for guiding the wire feeding. In the above manner, the application can improve the accuracy of wire detection after wire feeding and the accuracy of wire diameter detection, can clean the wire surface in real time and prolong the service life of the wire.

The utility model relates to the technical field of wires, and discloses a fastener wire tension adjusting device which comprises a supporting frame, the front side of the supporting frame is connected with a plurality of sets of first supporting plates, the opposite sides of the two sets of first supporting plates are connected with screws, the front side of the supporting frame is connected with a rotating rod, the front side of the rotating rod is connected with a first gear, and the front side of the first gear is connected with a second gear. A second gear is connected to the side, close to the first gear, of the screw rod, the first gear is meshed with the second gear, a screw block is connected to the outer side of the screw rod, a tension device is connected to the front side of the screw block, and a limiting device is connected to the rear side of the rotating rod and the rear side of the supporting frame. According to the scheme, the supporting frame, the first supporting plate, the rotating rod, the screw rod, the first gear, the second gear and the screw block are arranged and matched, so that the screw block can be close to or away from the rotating rod, a wire placed on the outer side of the tension device is expanded, and the use stability of the fastener wire is improved.

The invention relates to the technical field of sewing machines, in particular to a multi-thread-trapper thread tension adjusting device which is characterized in that a driving motor drives a rotating shaft to rotate; the plurality of adjusting mechanisms are arranged in one-to-one correspondence with the adjusting nuts of the plurality of wire trappers; the adjusting mechanism comprises a friction wheel arranged opposite to the adjusting nut, a transmission piece connected with the rotating shaft and the friction wheel so as to drive the friction wheel to rotate, and a clutch piece connected with the friction wheel and driving the friction wheel and the adjusting nut to be pressed or not pressed. The invention further relates to a multi-yarn-trapper yarn tension adjusting method which adopts the device and comprises automatic adjustment and manual adjustment. The automatic adjustment is that the adjusting nuts of all the wire trappers or one or more of the wire trappers are compressed with the friction wheel, the driving motor drives the friction wheel to rotate through the rotating shaft and the transmission piece, and the friction wheel compressed with the adjusting nuts drives the adjusting nuts to rotate; the manual adjustment is that the adjusting nut of the wire clamp and the friction wheel are not tightly pressed, and the adjusting nut is manually rotated. Automatic synchronous or independent adjustment of the tension of the multi-thread-trapper thread can be achieved.

The invention discloses a calculation method for a running overhead line state. The calculation method comprises the following steps: acquiring measurement data and line parameters in real time; the measurement data comprises environment temperature, wind speed and direction, wire tension, sunlight intensity and load current, and the line parameters comprise strain section parameters and wire parameters; solving the conductor sag by using the wind speed and direction, the conductor tension, the strain section parameter and the conductor parameter; based on a proportional fusion correction mechanism, solving the average temperature of the line by using the conductor sag; solving the maximum heat capacity of the line by using the environment temperature, the sunlight intensity, the load current and the average temperature of the line; and adjusting the running current on the overhead line in real time according to the maximum thermal capacity of the line. On the basis of the method, the measurement data and the line parameters under the actual operation condition are utilized to replace the calculation of presetting the maximum allowable current-carrying capacity under the worst condition, so that the utilization rate of the invisible capacity is improved, the transmission efficiency of the overhead line is further improved, and the economical efficiency and the transportation capacity of the overhead line are improved.

The invention provides transformer coil winding equipment which comprises a pay-off mechanism, the pay-off mechanism comprises a fixing assembly and a guiding assembly, the guiding assembly is connected with the side face of the fixing assembly, the fixing assembly comprises a wire roller supporting module and a fixing module, a tension adjusting module is arranged on the fixing module, and the wire roller supporting module is in transmission connection with the tension adjusting module; the guide assembly comprises a pressure sensor and a plurality of guide wheels, the pressure sensor is arranged among the plurality of guide wheels, the pressure sensor is connected with the tension adjusting module, and the rotating speed of the pay-off roller is adjusted according to the tension of the wire detected by the pressure sensor in real time. The pressure sensors are installed among the multiple guide wheels so that the tension state of the wire can be monitored in real time, and it is ensured that the tension of the wire in the winding process is kept within a limited range.

The utility model relates to the technical field of rubber thread tension testing, in particular to a high-precision rubber thread tension testing machine which comprises a frame and a base, a recycling mechanism is mounted on the inner wall of the right side below the frame, a CCD camera is fixedly connected to the inner wall of the upper side of the frame, and the inner wall of the middle of the frame is fixedly connected with a first servo motor through a support. And an output shaft of the first servo motor is connected with the plate body through a reduction gearbox. According to the high-precision rubber thread tension testing machine, through the cooperation of the moving mechanism and the frame, a second servo motor drives a first gear to rotate, then a tension test can be accurately carried out on a rubber thread, deviation of the stretching length is prevented, and therefore the precision of the tension test on the rubber thread is improved; when the rubber threads are qualified, the qualified rubber threads and the unqualified rubber threads are respectively placed in the two barrels in the mode, so that workers do not need to distinguish the rubber threads in the later period, and the working difficulty is reduced.

The utility model relates to the technical field of tension detection, in particular to a pay-off tension detection device. Guide wheel sets are arranged on the portions, located on the two sides of the detection assemblies, of the installation base, each detection assembly comprises a tension detector arranged on the installation base and a wire passing guide wheel connected to the tension detector, the wire passes through the guide wheel sets and the wire passing guide wheels in the conveying process, and the tension of the wire is detected in real time through the tension detectors; therefore, the purpose of detecting the tension of the wire is achieved, and the wire processing quality is ensured. Meanwhile, the two groups of wire passing guide wheels are coaxially and oppositely arranged, each guide wheel group comprises a plurality of guide wheels, the guide wheels of each guide wheel group are used for guiding a single wire, the number of the guide wheels of each guide wheel group is matched with that of the wire passing guide wheels, and then each group of wire passing guide wheels and the tension detector are used for detecting the single wire; by arranging the multiple guide wheels and the detection assemblies, multiple wires can be conveyed at the same time, tension detection is conducted, and the production efficiency is improved.

The present invention discloses a fully automatic three-axis wire feeding device, comprising an X-axis high-precision linear module, a Y-axis high-precision linear module, a Z-axis high-precision linear module, an anti-jump wire assembly, an enameled wire impurity removal assembly, and a double-station wire feeding nozzle fine-tuning assembly located on a base. The Y-axis high-precision linear module is connected to the X-axis slide of the X-axis high-precision linear module via a horizontally arranged module transition seat, and the Z-axis high-precision linear module is connected to the Y-axis slide of the Y-axis high-precision linear module via a vertically arranged mounting plate. The anti-jump wire assembly, the enameled wire impurity removal assembly, and the double-station wire feeding nozzle fine-tuning assembly are sequentially arranged on the Z-axis slide of the Z-axis high-precision linear module from top to bottom. The anti-jump wire assembly, the enameled wire impurity removal assembly, and the double-station wire feeding nozzle fine-tuning assembly are all connected to the Z-axis slide via a mounting base. The present invention adopts the fully automatic three-axis wire feeding device of the above structure, effectively improving the stability of wire tension, preventing the occurrence of enameled wire jump wire phenomenon, and improving production efficiency.

The utility model belongs to the technical field of motor manufacturing, and particularly relates to a winding device for motor manufacturing, which comprises a base, a second guide plate is mounted on a first guide block, a second guide groove is formed in the second guide plate, a second guide block is assembled in the second guide groove, a lifting block is mounted on the second guide block, and the lifting block is mounted on the base. A lifting block is installed on the base, an indicator lamp is installed on the lifting block, a sliding groove is formed in the lifting block, a sliding block is assembled in the sliding groove, a first electrode plate is installed on the bottom side of the sliding block, a second electrode plate is installed on the inner wall of the sliding groove, and a wire guide wheel is rotatably installed on the sliding block. When the wire guide wheel vertically moves downwards, the wire is pressed downwards under the action of the gravity of the wire guide wheel till the wire is in a tensioning state, the tensioning force adjusting assembly is closed, the structure can automatically and conveniently adjust the tensioning force of the wire, the situation that the outer diameters of coils are inconsistent is avoided, and the regularity of the wire is improved.

The present invention relates to a hysteresis compensation control device for a flexible tube and a method thereof, and more particularly, to a hysteresis compensation control device for a flexible tube for compensating for hysteresis of a surgical tool disposed in a channel of an outer sleeve and a method thereof. To this end, a hysteresis compensation control device for a flexible tube is disclosed, characterized by comprising: an input unit receiving image information and wire tension information of a flexible surgical instrument required for mode switching; a mode switching determination unit determining a current state of the surgical instrument based on the image information of the surgical instrument and generating a control mode change signal according to the current state of the surgical instrument; a mode switching unit switching a control mode from flexible tube control based on the image information to flexible tube control based on the tension information according to the control mode change signal of the mode switching determination unit; and a compensation control unit compensating for the flexible tube having a hysteresis characteristic based on a tension error value calculated through a learning model.

This invention relates to the field of auxiliary equipment technology for fully automatic winding machines, and more particularly to a guide wheel anti-deviation component for fully automatic winding machines, including an anti-deviation structure installed on the winding machine body. This component uses a servo motor and screw transmission mechanism built into the vertical swing arm to drive the connecting moving block and the horizontal swing arm, achieving active lifting and lowering adjustment of the guide wheel, forming a high-response, low-hysteresis active tension control system. The guide wheel shaft integrates a miniature tension sensor, which can provide real-time feedback on wire tension. Combined with the servo motor, it achieves closed-loop precise control, effectively suppressing tension fluctuations and wire deviation during high-speed winding. Furthermore, the horizontal swing arm is connected to the slider via a T-shaped slide rail, and the slider is equipped with a screw locking structure, facilitating flexible adjustment of the guide wheel's horizontal position to adapt to different wire specifications and winding process requirements. This invention combines rapid response, precise control, and good adaptability, significantly improving the stability of winding tension and the quality of the finished winding product.

The invention is suitable for the technical field of double-winding-drum wire drawing machines, and particularly relates to a double-winding-drum wire drawing machine master-slave shaft cross coupling control method and a wire drawing machine. According to the rotating speed synchronization error, the tension peak value of the wire tension and the surface roughness, obtaining a first speed correction of the main shaft and a second speed correction of the slave shaft under the condition of determining that the main shaft position is advanced; when it is determined that the main shaft is in the stable stage, a first speed correction and a second speed correction are obtained according to the linear speed synchronization error and the rolling diameter ratio; and obtaining a first speed correction and a second speed correction according to the rotation speed synchronization error, the tension valley value of the wire tension and the wire drawing time under the condition that the main shaft is determined to be in the deceleration stage. Therefore, the method provided by the invention can solve the problem of differential risk caused by position deviation of the master shaft and the slave shaft in different wire drawing stages.

The utility model discloses a stay wire tension adjusting structure for a small wire drawing machine, which comprises a tension adjusting mechanism and a motor cover arranged on one side of the bottom of the tension adjusting mechanism, a winding mechanism is arranged on one side of the top of the tension adjusting mechanism, a reciprocating support is arranged on one side of the winding mechanism, the tension adjusting mechanism comprises a tension workbench, and the motor cover is arranged on the top of the tension adjusting mechanism. Supporting legs are fixedly installed on the periphery of the bottom of the tensioning workbench, supporting plates are symmetrically installed on one sides of the tops of the supporting legs, a transverse adjusting motor is fixedly installed at the bottom of the tensioning workbench, and a first bevel gear transmission assembly is fixedly installed at the output end of the transverse adjusting motor. A first two-way threaded rod is fixedly installed on one side of the first bevel gear transmission assembly, the first bevel gear transmission assembly and the first two-way threaded rod are driven by the transverse adjusting motor to rotate, the adjusting threaded sleeve drives the roller support and the adjusting roller to relatively move on the outer side of the first two-way threaded rod, and therefore preliminary tension adjustment of the copper wire is achieved.

The invention discloses a cable processing stranding machine with a broken wire protection function, which relates to the technical field of stranding machines and comprises a base, a winch, an unwinding assembly, a stranding mechanism and a broken wire detection assembly. The broken wire detection assembly is used for detecting wire tension and controlling equipment to start and stop; the stranding mechanism is provided with a doubling die, and the doubling die is movably connected with an anti-loosening assembly which can move and rotate in the axial direction to lock a wire when wire breakage is detected. According to the invention, the floating pulley supported by the buffer spring, and the proximity switch and the induction block which are matched with each other are arranged on the connecting frame, so that the floating pulley is kept at a specific position by using tension generated during normal stranding of a wire; once the wire is broken, tension disappears, the buffer spring releases elastic potential energy, and the floating plate is pushed to move to enable the induction block to break away from the induction range of the proximity switch. The system can rapidly detect signal loss and control the motor to stop, thereby effectively preventing poor cable twisting quality and raw material waste caused by continuous operation of equipment after wire breakage.

The application discloses a kind of split conductor spacers convenient for line installation, specifically belongs to spacer field, including spacer frame, wire clamp component, preliminary locking assembly, offset stop component and center drive assembly, wire clamp component is distributed around on spacer frame, wire clamp component includes wire clamp base and gland, one end of gland is provided with hinged long hole, and one end of wire clamp base can be offset hinged by hinged long hole with the gland, so that the gland can be offset relative to wire clamp base along the radial direction of wire outward under the action of wire tension, preliminary locking assembly is set on wire clamp base, for the preliminary locking of closed gland, offset stop component is set on wire clamp base and cooperates with gland, for the one-way locking of offset generated by gland under the action of wire tension, to further lock wire clamp base and gland with preliminary locking assembly, center drive assembly is set in spacer frame, for controlling offset stop component to grab and release gland.

The invention discloses a constant tension tubular stranding machine for a transformer and a use method thereof, and relates to the technical field of tubular stranding machines, the constant tension tubular stranding machine comprises a stranding machine body, and further comprises a protection mechanism, detection mechanisms, a guide mechanism and a tension adjusting mechanism, the protection mechanism is installed on the outer side of the stranding machine body, and the multiple detection mechanisms are installed in an inner cavity of the stranding machine body; the detection mechanism is used for tension induction of a single wire, the guide mechanism is installed on one side of the detection mechanism, and the tension adjusting mechanism is used for automatic micro tension adjustment and power-driven large tension adjustment of the single wire. The detection mechanism, the guide mechanism and the tension adjusting mechanism are matched, the detection mechanism monitors the tension of the single wire in real time, automatic fine adjustment and large tension adjustment are achieved in combination with the tension adjusting mechanism, it is ensured that the tension is stabilized within a set range in the twisting process, and abrasion of the outer wall of the single wire can be reduced in cooperation with the guide mechanism; the phenomenon of non-uniform tension is reduced, and the uniformity and quality of stranded wires are improved.